Unit 5 Ionic Bonding

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

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NGSS.HS-PS1-1

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Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

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NGSS.MS-PS1-1

What will be the compound name of the following chemical formula?
NaCl

• Potassium Chloride
• Sodium Chloride
• Calcium Chloride
• Sodium Chlorine

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NGSS.MS-PS1-1

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

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NGSS.HS-PS1-1

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Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine

which types of elements become cations?

• nonmetals
• all metals
• only transition metals
• some metals and some metalloids

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formula of Sodium oxide?

• Na2O
• NaO₂
• Na₂O₂
• Na₂O

What type of bond is this? Lithium with Fluorine?

• ionic
• covalent

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of elements will form an ionic bond?

• Metals + Metals
• Nonmetals + Nonmetals
• Metals + Nonmetals
• None of the above

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is ionic?

• NO₂
• MgO
• CO
• CH₄

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NGSS.HS-PS1-3